Mahsulot tavsifi
Study on the development history of electronic vacuum lamps and their place in the development of electrical lighting systems.
#elektronika#lampalar#elektrotechnika#elektr yoritish tizimlari
Muallif
Jonibek SharipovTasdiqlangan muallif
- Hujjatlari
- 10 558
- Sotilgan
- 618
